but law enforcement -- usage. law enforcement officials say their tactics save lives. plus the founder of facebook mark zurichburg says the social network is now connecting every one in seven people on the planet and that's coming up. ♪ [ male announcer ] how do you turn an entrepreneur's dream... ♪ into a scooter that talks to the cloud? ♪ or make 70,000 trades a second... ♪ reach one customer at a time? ♪ how do you help doctors turn billions of bytes of shared information... ♪ into a fifth anniversary of remission? ♪ or turn 30-million artifacts... ♪ into a high-tech mastpiece? ♪ whatever your business challenge, dell has the technology and services to help you solve it. >> well, the cops usually need a warrant and permission from a judge so search your home but not to look at your cell phone records. now one congressman is trying to change that. david lee miller is live in the new york newsroom. david lee. >> trace, you probably didn't realize it but there is a chance someone in law enforcement has examined your cell phone records. what's more? in